Date: Tue, 9 Jun 2020 14:53:34 +0200 From: Riccardo Veraldi <riccardo.veraldi@gmail.com> To: peter.blok@bsd4all.org Cc: freebsd-scsi@freebsd.org Subject: Re: TRIM on mixed SSD/HHD ZFS pool Message-ID: <68eed401-e74f-1f16-7048-fdc391fcd201@gmail.com> In-Reply-To: <A641E558-39D0-4806-920D-990430E32AC9@bsd4all.org> References: <2F0DC649-4E6D-4520-8258-A6EE652C2949@bsd4all.org> <7a9a0c2b-ef62-a4ad-61f4-f1ba88115f64@gmail.com> <A641E558-39D0-4806-920D-990430E32AC9@bsd4all.org>
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On 08/06/2020 18:35, peter.blok@bsd4all.org wrote: > Thx for your answer, but 6 enterprise SSD are way over my budget. I am not sure about the ZFS implementation on FreeBSD but regarding ZFS on Linux (ZoL0 there is a patched version which supports trimming, and I have tryed it (on Linux RHEL7). I had a positive experience with the Intel SSD DC S3510 series 480GB. They are discontinued now but I have seen them on amazon at $280, they are enterprise class, and I never needed to TRIM the FS on them, I Really wrote a lot of data on them, and they are SATA. I also bought a bunch of them second hand which were used intensively and they still run fine even if they have been used a lot before me. I used them as boot disk and system disk on OpenBSD (sparc64). Rick > >> On 5 Jun 2020, at 11:23, Riccardo Veraldi <riccardo.veraldi@gmail.com> wrote: >> >> you may opt for enterprise level SSD disks. I have been using the 9300 >> NVMe series with Lustre/ZFS writing extensive data and I have never >> needed any trimming on them. They do automatic garbage collection. >> They are quite expensive piece of hardware though. >> >> On 05/06/2020 08:37, peter.blok@bsd4all.org wrote: >>> Hi, >>> >>> I have decided to gradually move over to SSD in my ZFS pool. Anybody knows if ZFS will issue a TRIM designated for the SSD in this mixed case, while the HDD do not support this? >>> >>> Peter >>> >>> >>> _______________________________________________ >>> freebsd-scsi@freebsd.org mailing list >>> https://lists.freebsd.org/mailman/listinfo/freebsd-scsi >>> To unsubscribe, send any mail to "freebsd-scsi-unsubscribe@freebsd.org" >>help
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